Torque mode selection, 2 ms) – Rockwell Automation 20P PowerFlex Digital DC Drive User Manual

Page 321

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Rockwell Automation Publication 20P-UM001I-EN-P - February 2013

321

Control Block Diagrams

Appendix D

Torque Mode Selection

Torque Mode Selection

P4

0

Trim To

rq

ue

P3

9

Torque Re

f

+

+

To Current Regula

tor

Block Diagram

P3

53

Zero T

orque

P7

0

A

nlg In1

Sel

P7

5

A

nlg In2

Sel

P8

0

A

nlg In3

Sel

P1

323

DPI P1

Sele

ct

P1

324

DPI P2

Sele

ct

P1

325

DPI P3

Sele

ct

P1

326

DPI P4

Sele

ct

P1

327

DPI P5

Sele

ct

P14

Sele

cted TorqRef

n

d

P50

0

Flux Ref Pct

P2

41

Spd Trq Mode

Sel

MI

N

MA

X

+

+

P17

M

otor Trq Ref

P46

3

Fl

ux Fil

te

r BW

P46

2

Fl

ux Div

ide

From S

peed

Re

gulator

Block Diagram

Ze

ro Torque 0

0.00

Spee

d Reg 1

Torque

Reg 2

SLA

T Min 3

SLA

T

M

ax 4

Sum 5

1

Ine

rt

ia Comp

Torque Ref

0

A

ctiv

e

N

ot A

ctiv

e

P3

82

Driv

e Status

2

b7 F

orc

ed

Spd

b8 Spee

d M

ode

b9 T

orque

Mo

de

0

1

P3

82

Driv

e Status

2

b7 F

orc

ed

Spd

P1

5

SLA

T Er

r Stpt

P1

6

SLA

T Dw

ell Time

Σ

P1

7

[M

otor Trq Ref] i

s div

ided

by the flux reference when

P462 [Flux Divide] is set to

0 “Torque Ref”.

(2 ms)

From S

peed

Re

gulator

Block Diagram

Inertia Compensation

Output

+

0

1.00

P7

82

PID Target

P1

210

W Target

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